1. School of Civil Engineering and Architecture, East China Jiaotong University, Nanchang 330013, Jiangxi, China
2. School of Transportation Engineering, East China Jiaotong University, Nanchang 330013, Jiangxi, China
3. State Key Laboratory of Performance Monitoring and Protecting of Rail Transit Infrastructure, East China Jiaotong University, Nanchang 330013, Jiangxi, China
4. Jiangxi Gannan Highway Investigation Designing Institute, Ganzhou 341001, Jiangxi, China